HKS Super Fire Racing M50HL hat To calculate true compression ratio

To calculate true compression ratio it's necessary to measure the distance between the deck surface of the block and the piston deck

precise control and the rope length to keep work sites—and weekend getaways—running smoothly

201 217 - - - - Length to ride hight

5 warning modes

HKS Super Fire Racing M50HL hat To calculate true compression ratioUltimate spark plug "M" Ignitionability, durability, anti insulation are all reinforced. HKS has made the best plug for both tuning engines and stock engines. Performance and Efficiency Increased Ignition Performance Decreased voltage requirement strengthens ignition performance under harsh conditions like lean mixture or high boost pressure. Improved Durability New material and design improve durability which allows for use under hard combustion